/Engine/Plugins/Runtime/LevelStreamingPersistence/Source/LevelStreamingPersistence/Public/LevelStreamingPersistenceManager.h
Sets the property value converted from the provided string value on existing entries, returns true on success.
bool TrySetPropertyValueFromString ( const [FString](API\Runtime\Core\Containers\FString) & InObjectPathName, const [FName](API\Runtime\Core\UObject\FName) InPropertyName, const [FString](API\Runtime\Core\Containers\FString) & InPropertyValue )